div{
    width:8000Px;
    height:8000px;
    /* 边框 */
    border: 1px solid red;
    /* 背景颜色 */
    background-color: rgba(223,22,133,0.2);
    /* 背景图片 */
    background-image: url(./img/猪.png);
    /* background-repeat: repeat-x; */
    /* background-repeat: repeat-y; */
    background-repeat: no-repeat;
    background-position: 100px 100px;



}